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Invalid registration key error message

  • Author: Lucinda
  • Create Time: 02/11/2014 10:49:38
  • Last Update Time: 02/11/2014 10:57:52

If you receive an error message saying that the product activation key is invalid, you will need send us the following information for the developer to review:

​1) ha_pa.log

Go to Start|Run enter %TEMP% (with the percent signs) then look for ha_pa.log

Send us the log file in an e-mail​

2) Tell us what specific version of Windows (Home, Pro, etc.) with Service Pack and 64 bit or 32.


You may also attempt to wipe out the full installation of Number Machine Pro and then re-download and install a fresh copy. To do so:​

Please try the following:

1) Log on as an Administrator account.

2) Uninstall the NM2 Pro.

3) Delete any previous installation packages (.msi) of NM2 Pro.

Note the following folder ‘C:\ProgramData’ is hidden by default.

4) Go to the ‘C:\ProgramData\Harvest American\Number Machine Pro’ folder and delete the files ‘ak_127.2.1.bin’ and ‘ha.ini’ files.

5) Go to the ‘C:\ProgramData\Microsoft\Crypto\RSA\MachineKeys’ folder and delete the file that begins with ‘53417dac…’.

6) Log Off Windows.

7) Log On Windows with account that will run the NM2 Pro application.

8) ***Download NM2 Pro from NM2 Pro (official Harvest American) web site***.

9) Install NM2 Pro from the newly downloaded installation package.

10) Run NM2 Pro and **activate with a key that has not been activated**.

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